国际邮袋出入境、开拆和封发，应当由海关监管。

The Customs shall supervise the entry and exit, opening, sealing and dispatching of international mailbags.

youdao

国际邮袋出入境、开拆和封发，应当由海关监管。

The Customs shall supervise the entry and exit, opening, sealing and dispatching of international mailbags.

youdao